package leetcode.code1614;

//[[ 2, 6, 7 ],[ 3, 4, 5, 7 ],[ 0, 3, 4, 7 ],[ 1, 2, 5, 6 ],[ 1, 2, 5, 7 ],[ 1, 3, 4, 6 ],[ 0, 3, 5, 7 ],[ 0, 1, 2, 4, 6 ] ];